ICS9248-146 Datasheet PDF - Integrated Circuit Systems Frequency Generator & Integrated Buffers Specs

ICS9248-146 - Frequency Generator & Integrated Buffers

Datasheet Summary

Description

The ICS9248-146 is the single chip clock solution for Desktop/Notebook designs using the SIS 630S style chipset.

It provides all necessary clock signals for such a system.

Spread spectrum may be enabled through I2C programming.

Features

3- CPUs @ 2.5V.
13 - SDRAM @ 3.3V.
6- PCI @3.3V,.
2 - AGP @ 3.3V.
1- 48MHz, @3.3V fixed.
1- 24/48MHz, @3.3V selectable by I2C (Default is 24MHz).
2- REF @3.3V, 14.318MHz. Features:.
Up to 166MHz frequency support.
Support FS0-FS3 trapping status bit for I2C read back.
Support power management: CPU, PCI, SDRAM stops and Power down Mode form I2C programming.
Spread spectrum for EMI control (0 to.

Datasheet Details

Part number	ICS9248-146
Manufacturer	Integrated Circuit Systems
File Size	194.08 KB
Description	Frequency Generator & Integrated Buffers
Datasheet	ICS9248-146 Datasheet
Additional preview pages of the ICS9248-146 datasheet.

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Full PDF Text Transcription

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Integrated Circuit Systems, Inc. ICS9248-146 Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: Single chip clock solution for SIS630S chipsets. Output Features: • 3- CPUs @ 2.5V • 13 - SDRAM @ 3.3V • 6- PCI @3.3V, • 2 - AGP @ 3.3V • 1- 48MHz, @3.3V fixed. • 1- 24/48MHz, @3.3V selectable by I2C (Default is 24MHz) • 2- REF @3.3V, 14.318MHz. Features: • Up to 166MHz frequency support • Support FS0-FS3 trapping status bit for I2C read back. • Support power management: CPU, PCI, SDRAM stops and Power down Mode form I2C programming. • Spread spectrum for EMI control (0 to -0.5%, ± 0.25%). • Uses external 14.

Published: Oct 7, 2005 |